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ivanzaharov [21]
3 years ago
12

I need help guys with this including steps ..

Mathematics
1 answer:
svp [43]3 years ago
7 0

Answer:

1. When adding you just add the numbers from the same space so

3  7

10 45

2. Same as adding but the opposite

2  1  2

3  1  6

1  2  1

 

Step-by-step explanation:

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The sum of twice a number n and 8 at most 25
mezya [45]

2n + 8 ≤ 25     |subtract 8 from both sides

2n ≤ 17     |divide both sides by 2

<u>n ≤ 8.5</u>

6 0
3 years ago
If the system below were written as a matrix equation, by which matrix could you multiply both sides to obtain a solution?
ludmilkaskok [199]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.

Below are the choices:

A. 
<span>[8 -6] </span>
<span>[-5 4] </span>
<span>B. </span>
<span>[4 -3] </span>
<span>[-2.5 2] </span>
<span>C. </span>
<span>[-4 5] </span>
<span>[6 -8] </span>
<span>D. </span>
<span>[-2 2.5] </span>
<span>[3 -4]
</span>
B because it is the inverse of 
<span>(4 6) </span>
<span>(5 8) </span>

<span>Check </span>
<span>(4.0 -3)(4 6) = (1 0) </span>
<span>(-2.5 2)(5 8) = (0 1)</span>
3 0
3 years ago
Which is greater 900 cm or 9000mm
Morgarella [4.7K]
9000mm
 because there is ten mm in one cm

5 0
3 years ago
Read 2 more answers
X - Зу = -2<br> X - Зу = 16
Stells [14]
Answer: x - 3y = -2
x = -2 + 3y

x - 3y = 16
x = 16 + 3y

8 0
3 years ago
What is 13.989 to the nearest hundredth place?
Rashid [163]

Answer:

13.99

Step-by-step explanation:

So the hundredths place is the second digit after the decimal point in this case it is 8.

So the number after it is 9 so we round up.

The number after 8 is 9

So 13.989 to the nearest hundredth place is 13.99

3 0
3 years ago
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